Last Updated：2025/11/30
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In hyperbolic geometry, the angular defect of a triangle is proportional to its area.
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In hyperbolic geometry, the angular defect of a triangle is proportional to its area.
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Related words
angular defect
Noun
Japanese Meaning
幾何学（特に非ユークリッド幾何学）において、三角形や多角形の内部角の総和が、ユークリッド幾何学に基づく期待値（例：三角形の場合は180°）より不足している分を示す量。
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